| 摘要 |
A MP3 chime player and display device having a MP3 microcontroller unit being integrated with an in-store display. The in-store display of the present invention has MP3 play selection buttons and associated selection insignia. The microcontroller is in electronic communication with a reprogrammable digital storage device, an electronic port, speakers, volume controls, as well as buttons on the button board or in-store display.
|
